Nozzle.



J. F. MAOWILLIAM.

NOZZLE.-

APPLICATION FILED DBO. 2,1903.

902,309, Patented Oct. 27, 1908.

I9/ /7/5 #liar/1e 5, I MW fw JAMES F. MACWILLIAM, oF HUBBARDSTON,MASSACHUSETTS..

NOZZL'E.

Specification of Letters Patent.

Patented occ. "27, 1'90'8.

. Application filed December 2, 1903. "Serial No. 188,471.

To all 'whom it may concern: i

Be it known that I, JAMES F. MACWIL- LIAM, a-citizen of the UnitedStates, residing at Hubbardston, in the county of Worcester and State ofMassachusetts, have invented a new and useful Nozzle, of which thefollowing is a specification.

This invention relates to that class of nozzles which are employed onhose pi es, or other fixtures, and especially to that c ass of nozzleswhich are employed in connection with lire extinguishing apparatus.

The Lspecial object of this invention is to provide a strong, simple,and ineX ensive nozzle which wil insure a positive s utting off of thestream, or which can be set either to be wide open or to producespraying effects, and in whichV the parts 'are not liable to becomestuck or wedged When the nozzle is allowed to stand for considerableperiods of time. v

To these ends, this invention consists of the nozzle and of thecombinations oli-parts therein as hereinafter described and moreparticularly pointed out in the claims at the end of this Speciiication.

lengths of time.

In the accompanying drawing, Figure 1 is a side view of a nozzleconstructed according to this invention partly broken away to show theparts in closed position 3 Fig. 2 is a longitudinal sectional view ofthe same showing the parts in open position, and Fig. 3 is a transversesectional'view taken on .the line 3 3 of Fig. 2.

In the use of nozzles in connection with hose-pipes or other apparatus,and particularly in the use of nozzles in connection with lireextinguishing apparatus, it is essential to provide a construction havinsimple and directly operative parts, so t at the nozzle may be usedefficiently even when the same has not been operated for considerableFor this reason in nozzles of this class it is desirable that the use ofall leather or rubber packings inside the nozzle be dispensedwith.

In a nozzle constructed according 'to my invention I have provided asimple and direct cut ofi action without the use of leather or rubberpackings, and I have also designed the parts of my nozzle so that thesame may.

. be made `'at comparatively little cost.

Referring to the accompanying drawing and in detail, a nozzleconstructedaccording to this invention as herein illustrated comprises abody portion 10. The body portion 10 is provided with internal threadsnear its end, and a hose-pipe H may be connected to the nozzle throughan ordinary coupling C which is threaded into the end of the bodyportion 10 and bears against a packingwasher D in the ordinary manner.Extending transversely across the chamberinside' the body portion 10 isa bridge-piecev 11, and cast into or otherwise secured in thebridgepiece 11 is a soft metal bearing. piece 12, which 4forms a valveseat. The bearing piece 12 is provided with an annular groove or recess120 and a central projectlon or abutment 121. Coperating with the bridgepiece 11 is an outlet tube 13 which is threaded into the end. ofthe bodyportion 10, 'and is provided with a tapering or conical end 16, whichmay be screwed down into the annular groove in the soft metalbearing-piece 12 when it is desired to throttle the stream, and whichmay be seated tightly against the soft metal Ipiece 12 when it isdesired to closethe nozzle as shown in Fig. 1. The ordinary gland 14 isthreaded on the body portion 10, and serves to hold the packing 15 inplace. 0n the end of the outlet tube 13, I provide an operating handle17, and a nozzle tip 19.

As shown most clearly in Fig. 3, the operating handle or hand-wheel 17is threaded on the outlet tube 13, while the nozzle tip 19 is also,threaded thereon, being provided with a wrench section 20 for thispurpose. By means of this arrangement of operating handle 17 and nozzletip 19 it will be seen that the nozzle tip 19 serves as a lock-nut forholding the hand-wheel 17 in place.

n the /use of a nozzle as thus constructed it Will be seen that when thevalve is closed, air will be excluded from the inside of thevalve-casing, and that the water or other fluid from the ipe H will fillthe entire nozzle body and willp be ready toenter the outlet tube theinstant the nozzle is opened. In addition to this, the pressure of waterinside the body portion of the nozzle will serve to keep the packing 15constantly wet and pressed out against the cap 111, so that this packingwill never dry up and allow leakage when the nozzle is opened. Astillfurther advantage in the use of this construction is due to the factthat when the outlet tube is unscrewed, the end of the outlet tube atonce begins to leave the valve-seat, so that even if there is gritordirt Within the nozzle, the valve-seat will not be scratched orgrooved.

A nozzle constructed according to this invention is alsoespeciallyadapted for use on lire extinguishin apparatus, because, even When thenozzle as not .been used for a long period of time, the relatively smallarea of the valve-seat and the relatively lar e size of the hand-wheelwill ive sufficient everage so that corrosion Wil not be liable to stickthe arts togetherto prevent. the nozzle readeing opened.

Changes may be made in the outline and pro ortions of nozzlesconstructed accordingy i to t 's invention without departing from thescope thereof as ex ressed in the claims. I

do not Wish, there ore, to belimited vto the s ecial construction I haveherein shown and escribed, but l What I do claim and desire to secure byLetters Patent of the United States is:-

. tion so that its end may be seated against the bridge to close thenozzle, a hand-wheel threaded on' to the outlet tube, and a nozzle tipalso threaded on to the outlet tube and and- , tip on the outlet tube.

y.my hand, in t forming .a lock-nut forholding the handywheel in place.

annular groove With a central projection, an

outlet tube threaded into the opposite end of the body portion andhaving a tapering end which may be seated in thegroove of the i softmetal piece, a hand-wheel threaded on to the out et tube, and a nozzletip also threadedon to the outlet tube, and serving a a lock-nut for.fastening the hand-Wheel in p ace.

4. As an article of manufacture, a nozzle comprising abody portionhaving a chamber therein provided With a bridge spaced from both ends ofthe chamber, said body portion having means at one end to receive acoup'- ling to connect the nozzle with a hose, a soft metal piecemounted on the bridge and having an annular groove, an outlet tubeadjustably mounted in the opposite end of the body portion and having atapering end adapted to be seated in the. groove of the softmetalpiece-to close the nozzle, anda nozzle In testimon Whereof'I havehereunto set e presence of two subscribing JAMES F, MAGWILLIAM.

Witnesses.

Witnesses:

Louis W. SOUTHGATE,

ALBERT E. FAY.

